The financial data for SolarTech Corporation for the year ending December 31, 2023, is as follows:

• Total sales revenue: $11,200,000
• Cost of goods sold: $6,500,000
• Selling and administrative expenses: $1,900,000
• Depreciation expense: $350,000
• Income tax rate: 32%
• Beginning inventory: $2,800,000
• Ending inventory: $2,200,000

Compute the following:

1. Gross profit.
2. Operating income.
3. Net income.
4. Gross profit margin.
5. Operating profit margin.
6. Net profit margin.
7. Inventory turnover ratio.
8. Average days to sell inventory.